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利用trace重建控制文件
以下步骤，内容都在ora11g_ora_.trc文件中
CREATE CONTROLFILE REUSE DATABASE "ORA11G" NORESETLOGS ARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY 292
LOGFILE
GROUP 1 (
‘+DATA/ora11g/onlinelog/group_1.262.833721677‘,
‘+DATA/ora11g/onlinelog/group_1.263.833721679‘
) SIZE 50M BLOCKSIZE 512,
GROUP 2 (
‘+DATA/ora11g/onlinelog/group_2.264.833721681‘,
‘+DATA/ora11g/onlinelog/group_2.265.833721683‘
) SIZE 50M BLOCKSIZE 512,
GROUP 3 (
‘+DATA/ora11g/onlinelog/group_3.266.833721683‘,
‘+DATA/ora11g/onlinelog/group_3.267.833721685‘
) SIZE 50M BLOCKSIZE 512
-- STANDBY LOGFILE
DATAFILE
‘+DATA/ora11g/datafile/system.256.833721555‘,
‘+DATA/ora11g/datafile/sysaux.257.833721555‘,
‘+DATA/ora11g/datafile/undotbs1.258.833721555‘,
‘+DATA/ora11g/datafile/users.259.833721555‘,
‘+DATA/ora11g/datafile/example.269.833721711‘
CHARACTER SET WE8MSWIN1252
;
Control file created.
select group#,status from v$log;
select group#,member from v$logfile;
select group#,thread#,sequence# from v$archive;
recover database using backup controlfile until cancel;
ALTER DATABASE OPEN resetlogs;
ALTER TABLESPACE TEMP ADD TEMPFILE ‘+DATA/ora11g/tempfile/temp.268.833721699‘
SIZE 20971520 REUSE AUTOEXTEND ON NEXT 655360 MAXSIZE 32767M;
---------------------------------------------------------------------------------------------------------------------------
示例
SYS@ora11g>alter database backup controlfile to trace as ‘/u02/app/oracle/ctl.ctl‘;
Database altered.
SYS@ora11g>CREATE CONTROLFILE REUSE DATABASE "ORA11G" NORESETLOGS ARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY 292
LOGFILE
GROUP 1 (
‘+DATA/ora11g/onlinelog/group_1.262.833721677‘,
‘+DATA/ora11g/onlinelog/group_1.263.833721679‘
) SIZE 50M BLOCKSIZE 512,
GROUP 2 (
‘+DATA/ora11g/onlinelog/group_2.264.833721681‘,
‘+DATA/ora11g/onlinelog/group_2.265.833721683‘
) SIZE 50M BLOCKSIZE 512,
GROUP 3 (
‘+DATA/ora11g/onlinelog/group_3.266.833721683‘,
‘+DATA/ora11g/onlinelog/group_3.267.833721685‘
) SIZE 50M BLOCKSIZE 512
-- STANDBY LOGFILE
DATAFILE
‘+DATA/ora11g/datafile/system.256.833721555‘,
‘+DATA/ora11g/datafile/sysaux.257.833721555‘,
‘+DATA/ora11g/datafile/undotbs1.258.833721555‘,
‘+DATA/ora11g/datafile/users.259.833721555‘,
‘+DATA/ora11g/datafile/example.269.833721711‘
CHARACTER SET WE8MSWIN1252
; 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
Control file created.
SYS@ora11g>alter database mount;
ERROR at line 1:
ORA-01100: database already mounted
SYS@ora11g>select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 CURRENT
3 UNUSED
2 UNUSED
SYS@ora11g>select group#,member from v$logfile;
GROUP# MEMBER
---------- ---------------------------------------------
1 +DATA/ora11g/onlinelog/group_1.262.833721677
1 +DATA/ora11g/onlinelog/group_1.263.833721679
3 +DATA/ora11g/onlinelog/group_3.266.833721683
3 +DATA/ora11g/onlinelog/group_3.267.833721685
2 +DATA/ora11g/onlinelog/group_2.264.833721681
2 +DATA/ora11g/onlinelog/group_2.265.833721683
SYS@ora11g>recover database using backup controlfile until cancel;
ORA-00279: change 1109018 generated at 12/19/2013 12:11:13 needed for thread 1
ORA-00289: suggestion : +DATA
ORA-00280: change 1109018 for thread 1 is in sequence #1
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
+DATA/ora11g/onlinelog/group_1.262.833721677
Log applied.
Media recovery complete.
SYS@ora11g>recover database using backup controlfile until cancel;
ORA-00279: change 1109019 generated at 12/19/2013 12:11:13 needed for thread 1
ORA-00289: suggestion : +DATA
ORA-00280: change 1109019 for thread 1 is in sequence #1
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
+DATA/ora11g/onlinelog/group_1.263.833721679
Log applied.
Media recovery complete.
SYS@ora11g>ALTER DATABASE OPEN resetlogs;
Database altered.
SYS@ora11g>ALTER TABLESPACE TEMP ADD TEMPFILE ‘+DATA/ora11g/tempfile/temp.268.833721699‘
SIZE 20971520 REUSE AUTOEXTEND ON NEXT 655360 MAXSIZE 32767M;
Tablespace altered.
利用trace重建控制文件